authors Vaz Fragoso, Carlos A Concato, John McAvay, Gail Van Ness, Peter H Rochester, Carolyn L Yaggi, H Klar Thomas M. Gill, MD
has subject area Adult Age Factors Aged Aged, 80 and over Chi-Square Distribution Female Forced Expiratory Volume Humans Male Middle Aged Proportional Hazards Models Pulmonary Disease, Chronic Obstructive Reference Values Sex Factors United States Vital Capacity